change string literals to be length terminated instead of null terminated, so null characters can be embeded

src/parser/string/string.h

@@ -6,10 +6,15 @@
 
 // Declare functions related to string processing in parser
 
+typedef struct {
+  size_t length;
+  char *string;
+} ParsedString;
+
 char *swap_quotes(char *input, char quote);
 
-char *unquote(char *str);
+char *unquote(char *str, size_t *decoded_len);
 
-ParsedValue *parse_string(Token token);
+ParsedValue *parse_string(char*file,Token* token);
 
 #endif // STRING_UTILS_H